Solving for variables is easy as all we must do is isolate the variable and simplify. In this case, to isolate the variable, we simply need to divide "n" by 10 (because the "n" is being multiplied by 10).
10n=40
/10 /10
n=4
Using the math above, we can see that n=4.
The answer you seek is 5. Enjoy
The answer is probably the opposite which in this case would be -19 ?
Answer:
Dude, where's the picture?
68% due to more 1,2, and 3's